20552025552 has 20 divisors (see below), whose sum is σ = 53092732800. Its totient is φ = 6850675168.

The previous prime is 20552025539. The next prime is 20552025553. The reversal of 20552025552 is 25552025502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552025553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214083552 + ... + 214083647.

It is an arithmetic number, because the mean of its divisors is an integer number (2654636640).

Almost surely, 2^20552025552 is an apocalyptic number.

It is an amenable number.

20552025552 is an abundant number, since it is smaller than the sum of its proper divisors (32540707248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20552025552 is a wasteful number, since it uses less digits than its factorization.

20552025552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428167210 (or 428167204 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The spelling of 20552025552 in words is "twenty billion, five hundred fifty-two million, twenty-five thousand, five hundred fifty-two".